{
  "manageEntity": {
    "action": "Repost",
    "entityId": "319551459",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x91c0f1f4dd046e25b8de23caa2b48e215c8b6d6e9fe707bfadc0c28f4b2a057d",
    "signature": "0x78df8fd865bae02b1b76ebd1f1c983c56aae0f32a28b0de69175f386da227bdc21aad72d75ec3786a071df1ec22850acf68b45ea0a2ffb750d06f77fec7992161c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}